摘要
对济宁南二环中承式大型连续钢桁拱桥实施先拱后梁的钢梁架设方案进行了系统的阐述,特别是对该桥主跨钢桁梁全悬臂无支架施工、合龙方法及设置临时预应力等关键技术和创新进行了详细介绍。
The steel beam for the large scale half-through erection scheme of erecting arch first, and then beam continuous steel truss arch bridge on South 2nd ring road of Jining city was described systematically, particularly, the key technologies and innovations such as cantilever construction without supports, closuring method and setting temporary prestress etc. were introduced in detail.
出处
《工程建设》
2013年第6期48-52,共5页
Engineering Construction
关键词
钢桁拱桥
主桁
悬臂
架设
合龙
steel truss arch bridge
main truss
cantilever
erection
closure
